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Finding the Fourth Proportional to 44.18, 66.30 and 32.23

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Solution

The fourth proportional to 44.18, 66.30 and 32.23 is: 48.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.18 : 66.30 = 32.23 : x
  2. Step 2: Convert to fraction form
    44.18/66.30 = 32.23/x
  3. Step 3: Cross multiply
    44.18x = 66.30 × 32.23
  4. Step 4: Simplify right side
    44.18x = 2,136.36
  5. Step 5: Solve for x
    x = 2,136.36/44.18
  6. Step 6: Final answer
    x = 48.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.